254709

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 454272

約数和(自身を除く): 199563

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 311, 819, 933, 2177, 2799, 4043, 6531, 12129, 19593, 28301, 36387, 84903, 254709]

約数ペア:

[(1, 254709), (3, 84903), (7, 36387), (9, 28301), (13, 19593), (21, 12129), (39, 6531), (63, 4043), (91, 2799), (117, 2177), (273, 933), (311, 819)]